EP3975558A4 - VIDEO DECODING METHOD, VIDEO ENCODING METHOD, DEVICE AND FACILITIES, AND STORAGE MEDIA - Google Patents

VIDEO DECODING METHOD, VIDEO ENCODING METHOD, DEVICE AND FACILITIES, AND STORAGE MEDIA Download PDF

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Publication number
EP3975558A4
EP3975558A4 EP20902574.1A EP20902574A EP3975558A4 EP 3975558 A4 EP3975558 A4 EP 3975558A4 EP 20902574 A EP20902574 A EP 20902574A EP 3975558 A4 EP3975558 A4 EP 3975558A4
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EP
European Patent Office
Prior art keywords
storage medium
video
video coding
decoding method
coding method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20902574.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3975558A1 (en
Inventor
Hongbin Zhang
Xiang Li
Guichun Li
Shan Liu
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Tencent Technology Shenzhen Co Ltd
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Tencent Technology Shenzhen Co Ltd
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Publication date
Application filed by Tencent Technology Shenzhen Co Ltd filed Critical Tencent Technology Shenzhen Co Ltd
Publication of EP3975558A1 publication Critical patent/EP3975558A1/en
Publication of EP3975558A4 publication Critical patent/EP3975558A4/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20902574.1A 2019-12-18 2020-12-08 VIDEO DECODING METHOD, VIDEO ENCODING METHOD, DEVICE AND FACILITIES, AND STORAGE MEDIA Pending EP3975558A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911309768.6A CN111050171B (zh) 2019-12-18 2019-12-18 视频解码方法、装置、设备及存储介质
PCT/CN2020/134581 WO2021121080A1 (zh) 2019-12-18 2020-12-08 视频解码方法、视频编码方法、装置、设备及存储介质

Publications (2)

Publication Number Publication Date
EP3975558A1 EP3975558A1 (en) 2022-03-30
EP3975558A4 true EP3975558A4 (en) 2023-04-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20902574.1A Pending EP3975558A4 (en) 2019-12-18 2020-12-08 VIDEO DECODING METHOD, VIDEO ENCODING METHOD, DEVICE AND FACILITIES, AND STORAGE MEDIA

Country Status (6)

Country Link
US (2) US12034950B2 (enExample)
EP (1) EP3975558A4 (enExample)
JP (2) JP7744023B2 (enExample)
KR (2) KR102695010B1 (enExample)
CN (2) CN115720265B (enExample)
WO (1) WO2021121080A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021060846A1 (ko) * 2019-09-23 2021-04-01 엘지전자 주식회사 양자화 매트릭스를 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
CN115720265B (zh) * 2019-12-18 2024-08-09 腾讯科技（深圳）有限公司 视频编解码方法、装置、设备及存储介质
CN111147858B (zh) * 2019-12-31 2024-02-27 腾讯科技（深圳）有限公司 视频解码方法、装置、设备及存储介质
CN120881287A (zh) * 2020-02-21 2025-10-31 阿里巴巴（中国）有限公司 用信号通知最大变换大小和残差编码的方法
AU2020203330B2 (en) 2020-05-21 2022-12-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
WO2025212860A1 (en) * 2024-04-03 2025-10-09 Bytedance Inc. Method, apparatus, and medium for video processing

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EP2495973A1 (en) * 2009-10-30 2012-09-05 Panasonic Corporation Decoding method, decoder apparatus, encoding method, and encoder apparatus
US20140177728A1 (en) * 2011-08-23 2014-06-26 Ximin Zhang Method and system of transform block processing according to quantization matrix in video coding
EP2806640A1 (en) * 2012-01-20 2014-11-26 Electronics and Telecommunications Research Institute Method for encoding and decoding quantized matrix and apparatus using same
US20150043637A1 (en) * 2012-04-13 2015-02-12 Sony Corporation Image processing device and method

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JP2010288166A (ja) * 2009-06-15 2010-12-24 Panasonic Corp 動画像符号化装置、放送波記録装置及び、プログラム
EP2675161B1 (en) * 2011-02-10 2018-11-14 Velos Media International Limited Image processing device and image processing method
WO2012134046A2 (ko) * 2011-04-01 2012-10-04 주식회사 아이벡스피티홀딩스 동영상의 부호화 방법
WO2013158669A1 (en) * 2012-04-16 2013-10-24 Huawei Technologies Co., Ltd. Method and apparatus of quantization matrix coding
JP6210368B2 (ja) * 2012-09-18 2017-10-11 サン パテント トラスト 画像復号方法および画像復号装置
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AU2019246538B2 (en) * 2018-03-28 2022-11-10 Sony Corporation Image processing device and image processing method
CN110536133B (zh) 2018-05-24 2021-11-19 华为技术有限公司 视频数据解码方法及装置
CN115720265B (zh) * 2019-12-18 2024-08-09 腾讯科技（深圳）有限公司 视频编解码方法、装置、设备及存储介质

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EP2495973A1 (en) * 2009-10-30 2012-09-05 Panasonic Corporation Decoding method, decoder apparatus, encoding method, and encoder apparatus
US20140177728A1 (en) * 2011-08-23 2014-06-26 Ximin Zhang Method and system of transform block processing according to quantization matrix in video coding
EP2806640A1 (en) * 2012-01-20 2014-11-26 Electronics and Telecommunications Research Institute Method for encoding and decoding quantized matrix and apparatus using same
US20150043637A1 (en) * 2012-04-13 2015-02-12 Sony Corporation Image processing device and method

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DE LAGRANGE (INTERDIGITAL) P ET AL: "Non-CE7: Quantization matrices with single identifier and prediction from larger ones", no. JVET-O0223 ; m48333, 24 June 2019 (2019-06-24), XP030218892, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0223-v1.zip JVET-O0223.docx> [retrieved on 20190624] *
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Also Published As

Publication number Publication date
KR20220044352A (ko) 2022-04-07
US20240305804A1 (en) 2024-09-12
KR102695010B1 (ko) 2024-08-12
JP2024138096A (ja) 2024-10-07
US20220046260A1 (en) 2022-02-10
CN111050171B (zh) 2022-10-11
JP2022548354A (ja) 2022-11-18
CN111050171A (zh) 2020-04-21
CN115720265B (zh) 2024-08-09
WO2021121080A1 (zh) 2021-06-24
US12382077B2 (en) 2025-08-05
US12034950B2 (en) 2024-07-09
CN115720265A (zh) 2023-02-28
JP7744023B2 (ja) 2025-09-25
EP3975558A1 (en) 2022-03-30
KR20240127485A (ko) 2024-08-22

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